YD1191 Datasheet, PDF (1/4 Pages) Wuxi Youda electronics Co.,LTD – SINGLE-CHIP FM/AM RADIO IC

YOUDA INTEGRATED CIRCUIT
YD1191
SINGLE-CHIP FM/AM RADIO IC—YD1191
DESCRIPTION
The YD1191 is a one-chip FM/AM radio IC designed for radio-cassette tape recorders.
FEATURES
*Small number of peripheral components.
*Low current consumption (Vcc=3V)
For FM:ID=5.3mA (Typ.)
For AM:ID=3.4mA (Typ.)
*Built-in FM/AM select switch.
*Built-in RF AGC, IF AGC circuit.
*Tuning LED driver.
*Large output of AF amplifier.
Vcc=6V,EIAJ output=500mW (Typ.)
When load impedance 8Ω
BLOCK DIAGRAM
28 27 26 25 24 23 22 21 20 19 18 17 16 15
AF Power AMP
AM IF DET AGC
AM RF AMP
FM DISCRIMINATOR
FM FE
TUNING
METER
FM IF AMP
1 2 3 4 ₅ 6 ₇ 8 9 10 11 12 13 14
WuXi YouDa Electronics Co., Ltd
Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China
Tel: [phone] Fax: [phone]
Website: www.e-youda.com
SHENZHEN OFFICE Tel： 86-755-83740369
Fax： 86-755-83741418
Ver 5.0
1 of 4
2006-6-20